DE3032833A1 - Porometer - Google Patents
PorometerInfo
- Publication number
- DE3032833A1 DE3032833A1 DE19803032833 DE3032833A DE3032833A1 DE 3032833 A1 DE3032833 A1 DE 3032833A1 DE 19803032833 DE19803032833 DE 19803032833 DE 3032833 A DE3032833 A DE 3032833A DE 3032833 A1 DE3032833 A1 DE 3032833A1
- Authority
- DE
- Germany
- Prior art keywords
- flow
- air
- line
- chamber
- cuvette
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000009792 diffusion process Methods 0.000 claims description 14
- 238000005259 measurement Methods 0.000 claims description 12
- 238000004891 communication Methods 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 230000015654 memory Effects 0.000 description 18
- 230000005068 transpiration Effects 0.000 description 14
- 229910000831 Steel Inorganic materials 0.000 description 13
- 239000010959 steel Substances 0.000 description 12
- 230000006870 function Effects 0.000 description 9
- 239000003990 capacitor Substances 0.000 description 6
- 239000002274 desiccant Substances 0.000 description 6
- 239000002184 metal Substances 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000737 periodic effect Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 210000002826 placenta Anatomy 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 102200059460 rs121918381 Human genes 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
Landscapes
- Chemical & Material Sciences (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Dispersion Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/071,847 US4312218A (en) | 1979-09-04 | 1979-09-04 | Porometer and method for stomatal measurements |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3032833A1 true DE3032833A1 (de) | 1981-03-19 |
| DE3032833C2 DE3032833C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1989-03-30 |
Family
ID=22103977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19803032833 Granted DE3032833A1 (de) | 1979-09-04 | 1980-08-30 | Porometer |
Country Status (5)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020216682A1 (de) | 2019-04-25 | 2020-10-29 | Robert Bosch Gmbh | Sensorvorrichtung zur messung von transpiration einer pflanzenprobe |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD279274S (en) | 1983-03-03 | 1985-06-18 | Kett Electric Laboratory | Grain moisture tester |
| FR2593921B1 (fr) * | 1986-01-30 | 1990-01-05 | Geoservices | Appareil automatique portable pour l'analyse thermodynamique de fluides souterrains |
| DE69529987T2 (de) * | 1994-07-15 | 2004-01-15 | Hitachi Ltd | Elektronischer energiefilter |
| US5551284A (en) * | 1995-02-23 | 1996-09-03 | Wenkert; William | Portable instrument and method for measuring the air permeability of plant leaves |
| US6092924A (en) * | 1998-02-10 | 2000-07-25 | Denver Instrument Company | Microwave moisture analyzer: apparatus and method |
| US6247246B1 (en) | 1998-05-27 | 2001-06-19 | Denver Instrument Company | Microwave moisture analyzer: apparatus and method |
| ATE473401T1 (de) * | 2006-05-22 | 2010-07-15 | Airbus Operations Gmbh | Klimakammer und steuerverfahren dafür |
| JP4880032B2 (ja) * | 2007-03-14 | 2012-02-22 | 三菱電機株式会社 | 空気調和機 |
| US8610072B2 (en) | 2010-09-23 | 2013-12-17 | Li-Cor, Inc. | Gas exchange system flow configuration |
| US8692202B2 (en) * | 2010-09-23 | 2014-04-08 | Li-Cor, Inc. | Gas exchange system flow configuration with thermally insulated sample chamber |
| WO2012040504A2 (en) | 2010-09-23 | 2012-03-29 | Li-Cor, Inc. | Gas exchange system flow configuration |
| DE102015120899A1 (de) | 2015-12-02 | 2017-06-08 | Jin-Chen Liu | Verfahren und Vorrichtung zum Messen einer Übergangsrate eines Phasenübergangs |
| DE102019210818A1 (de) | 2019-07-22 | 2021-01-28 | Michael Martin Goisser | Vorrichtung und Verfahren zur Messung der Transpiration von Pflanzen |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4160374A (en) * | 1978-04-24 | 1979-07-10 | Crump Terence J | Apparatus for measuring the diffusive resistance of plant stomata |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3208275A (en) * | 1961-05-09 | 1965-09-28 | C W Thornthwaite Associates | Measurement of vertical wind and climatological flux |
| GB1157368A (en) * | 1967-06-30 | 1969-07-09 | Airflow Dev Ltd | Improvements relating to Vane Anemometers |
| US3463000A (en) * | 1967-08-01 | 1969-08-26 | Samuel M Broadwin | Method for testing moisture content of a product |
| US3688309A (en) * | 1970-09-09 | 1972-08-29 | Herman W Volberg | Device for detecting and displaying the response of a tissue to stimuli |
| SU470281A1 (ru) * | 1973-02-05 | 1975-05-15 | Научно-Исследовательский Институт Горного Садоводства И Цветоводства | Способ определени транспирации листьев в полевых услови х |
| US3909598A (en) * | 1973-07-20 | 1975-09-30 | Cem Corp | Automatic volatility computer |
| US3894419A (en) * | 1974-06-19 | 1975-07-15 | Gulf Research Development Co | Moisture analyzer calibrator |
| FR2275765A1 (fr) * | 1974-06-20 | 1976-01-16 | Alsthom Cgee | Perfectionnement pour dispositif de mesure rapide du taux d'humidite de substances telles que tabac et autres |
| GB1503338A (en) * | 1974-11-30 | 1978-03-08 | Felten & Guilleaume Carlswerk | Methods of and apparatuses for measuring temperature and evaluating its effects on a process |
| US4009614A (en) * | 1975-12-19 | 1977-03-01 | The United States Of America As Represented By The United States Energy Research And Development Administration | Apparatus for monitoring two-phase flow |
-
1979
- 1979-09-04 US US06/071,847 patent/US4312218A/en not_active Expired - Lifetime
-
1980
- 1980-08-22 CA CA000358814A patent/CA1138223A/en not_active Expired
- 1980-08-22 GB GB8027357A patent/GB2057699B/en not_active Expired
- 1980-08-30 DE DE19803032833 patent/DE3032833A1/de active Granted
- 1980-09-04 JP JP12293580A patent/JPS5644827A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4160374A (en) * | 1978-04-24 | 1979-07-10 | Crump Terence J | Apparatus for measuring the diffusive resistance of plant stomata |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020216682A1 (de) | 2019-04-25 | 2020-10-29 | Robert Bosch Gmbh | Sensorvorrichtung zur messung von transpiration einer pflanzenprobe |
| DE102019205896B4 (de) | 2019-04-25 | 2023-09-28 | Robert Bosch Gmbh | Sensorvorrichtung zur Messung von Transpiration einer Pflanzenprobe |
Also Published As
| Publication number | Publication date |
|---|---|
| US4312218A (en) | 1982-01-26 |
| DE3032833C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1989-03-30 |
| CA1138223A (en) | 1982-12-28 |
| JPS5644827A (en) | 1981-04-24 |
| GB2057699A (en) | 1981-04-01 |
| GB2057699B (en) | 1983-09-28 |
| JPH0117097B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1989-03-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE3032833A1 (de) | Porometer | |
| DE19821321C2 (de) | Verfahren zum Messen der Dampfdurchlaßgeschwindigkeit eines Testmaterials | |
| DE2350848C3 (de) | Thermischer Durchflußmesser | |
| DE19644575C1 (de) | Verfahren und Vorrichtung zur Messung der Wasserdampfdiffusion durch plattenförmige, poröse Proben, insbesondere durch textile Flächengebilde, unter verschiedenen Meßbedingungen | |
| DE2838706A1 (de) | Vorrichtung zum messen der bestandteile einer fluessigkeitsprobe | |
| DE19636673A1 (de) | Verfahren und Vorrichtung zur Messung thermophysikalischer Kennwerte von plattenförmigen Proben, insbesondere von textilen Flächengebilden, unter verschiedenen Meßbedingungen | |
| DE102010038734A1 (de) | Messsonde zum Eintauchen in eine Messkammer bzw. einen Messkanal | |
| DE2900594A1 (de) | Messonde zur feststellung des wassergehaltes in einem gasstrom | |
| WO1997043628A2 (de) | Sensor für die bestimmung der warmeleitfähigkeit und/oder der temperatur von flüssigen, gasförmigen oder halbfesten stoffen und verfahren zum anregen des sensors | |
| DE4319603A1 (de) | Verfahren und Einrichtung zum Trocknen von Holz | |
| DE1598456A1 (de) | Verfahren und Apparatur zur Messung selektiver Eigenschaften von Materialien | |
| DE3513065C1 (de) | Sonde zur hystereselosen Messung der relativen Feuchte der Luft | |
| DE19610599C2 (de) | Feuchtesensor | |
| DE3306460A1 (de) | Elektrisches feuchtemessgeraet | |
| DE69629286T2 (de) | Druckmessvorrichtung | |
| DE8802378U1 (de) | Trocknungswaage mit Temperaturregelung | |
| DE1499312B2 (de) | Eichvorrichtung fuer mikrophone | |
| DE940071C (de) | Einrichtung zur Bestimmung des Feuchtigkeitsgehaltes von ruhendem oder bewegtem Gut | |
| DE2431051C2 (de) | Meßvorrichtung für die Wasseraktivität von freies Wasser enthaltenden Stoffen, insbesondere Lebensmitteln, wie Fleisch, Fleischwaren usw. | |
| DE1801033C (de) | Vorrichtung zur Eichung mindestens einer Strahlungsintensitätsmeßvorrichtung | |
| DE2157550A1 (de) | Gerät zum Messen des Grades thermischen Unbehagens sowie Anlage mit einem solchen Gerät | |
| DE10146212C2 (de) | Verfahren und Vorrichtung zur Bestimmung des Wasserstoffgehalts von Gasgemischen | |
| DE2819383A1 (de) | Fuehleranordnung zur messung der absoluten feuchte oder der enthalpie | |
| DE102008041147A1 (de) | Wägebehälter für eine Wägeeinrichtung und Wägeeinrichtung | |
| DE2738499A1 (de) | Messgeraet fuer ultraschall-wandler |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| 8128 | New person/name/address of the agent |
Representative=s name: FRHR. VON UEXKUELL, J., DIPL.-CHEM. DR.RER.NAT. GR |
|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8328 | Change in the person/name/address of the agent |
Free format text: STOLBERG-WERNIGERODE, GRAF ZU, U., DIPL.-CHEM. DR.RER.NAT. SUCHANTKE, J., DIPL.-ING. HUBER, A., DIPL.-ING. KAMEKE, VON, A., DIPL.-CHEM. DR.RER.NAT., PAT.-ANWAELTE, 2000 HAMBURG |
|
| 8339 | Ceased/non-payment of the annual fee |